[Telemetry] Escape URLs in "Pages:" list.

build/android/pylib/perf_tests_helper.py

Index: build/android/pylib/perf_tests_helper.py
diff --git a/build/android/pylib/perf_tests_helper.py b/build/android/pylib/perf_tests_helper.py
index 7b296a855df8f58e3698f732731cd72c2eaf486f..cb4085035d8f77e36b5c35014e8dad371d0bdbcb 100644
--- a/build/android/pylib/perf_tests_helper.py
+++ b/build/android/pylib/perf_tests_helper.py
@@ -19,7 +19,7 @@ RESULT_TYPES = {'unimportant': 'RESULT ',
 
 def _EscapePerfResult(s):
   """Escapes |s| for use in a perf result."""
-  return re.sub('[\:|=/#&]', '_', s)
+  return re.sub('[\:|=/#&,]', '_', s)
 
 
 def GeomMeanAndStdDevFromHistogram(histogram_json):
@@ -66,6 +66,11 @@ def _MeanAndStdDevFromList(values):
   return value, avg, sd
 
 
+def PrintPages(page_list):
+  """Prints list of pages to stdout in the format required by perf tests."""
+  print 'Pages: [%s]' % ','.join([_EscapePerfResult(p) for p in page_list])
+
+
 def PrintPerfResult(measurement, trace, values, units, result_type='default',
                     print_to_stdout=True):
   """Prints numerical data to stdout in the format required by perf tests.